Features: 1.OE Number: The referencing OE number of this ignition coil are 4137 400 1350, 41374001350, which is molded and designed depend on the original data. 2.Fitment: The engine ignition coil is a replacement for STIHL FS80 FS80R FS75 FS85 FC75 FC85 KM85 HL75 HS75 FH75 FR85 HT70 HT75 KA85 KW85 SP80 SP81 Trimmer. 3.Function: Improve combustion efficiency and enhance electrical performance. Provides a higher intensity spark with faster recovery and response, increased ignition energy intensity. 4.Premium Material: The ignition coil is made of heavy duty steel which is sturdy and durable, helps to provide easy starting and smooth operating. 5.Easy to Install: Stringently manufactured to meet the original standard, perfect replacement for the old or broken one, improving the time efficiency. Specification: Item Type: Ignition Coil_x000D_ OE Number: 4137 400 1350, 41374001350_x000D_ _x000D_ Material: Metal, rubber_x000D_ Fitment:_x000D_ Replacement for STIHL FS80 FS80R FS75 FS85 FC75 FC85 KM85 HL75 HS75 FH75 FR85 HT70 HT75 KA85 KW85 SP80 SP81 Trimmer Note: Please double check the part number of your item, matching information is for reference only._x000D_ If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!